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      Grazing-incidence small-angle X-ray scattering: application to the study of quantum dot lattices

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          Abstract

          The modelling of grazing-incidence small-angle X-ray scattering (GISAXS) from three-dimensional quantum dot lattices is described.

          Abstract

          The ordering of quantum dots in three-dimensional quantum dot lattices is investigated by grazing-incidence small-angle X-ray scattering (GISAXS). Theoretical models describing GISAXS intensity distributions for three general classes of lattices of quantum dots are proposed. The classes differ in the type of disorder of the positions of the quantum dots. The models enable full structure determination, including lattice type, lattice parameters, the type and degree of disorder in the quantum dot positions and the distributions of the quantum dot sizes. Applications of the developed models are demonstrated using experimentally measured data from several types of quantum dot lattices formed by a self-assembly process.

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          Author and article information

          Journal
          Acta Crystallogr A
          Acta Cryst. A
          Acta Crystallographica Section A: Foundations of Crystallography
          International Union of Crystallography
          0108-7673
          1600-5724
          01 January 2012
          11 November 2011
          11 November 2011
          : 68
          : Pt 1 ( publisher-idID: a120100 )
          : 124-138
          Affiliations
          [a ]Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
          [b ]Sincrotrone Trieste, SS-14 km 163.5, 34144 Basovizza, Italy
          [c ]Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia
          [d ]Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic
          Author notes
          Correspondence e-mail: mbuljan@ 123456irb.hr
          Article
          ib5003 ACACEQ S0108767311040104
          10.1107/S0108767311040104
          3243409
          22186289
          07131c86-99ed-420e-bc5a-8cdc7dc895aa
          © Maja Buljan et al. 2012

          This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.

          History
          : 03 May 2011
          : 29 September 2011
          Categories
          Research Papers

          Analytical chemistry
          self-assembly,gisaxs,grazing-incidence small-angle x-ray scattering,quantum dot lattices

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